Monacolin K Red Yeast Rice

What is Red yeast rice Extract ?      Red yeast rice powder has been used in China for centuries as both a food and as a medicinal substance. It is made by fermenting a type of yeast called Monascus purpureus over red rice. In Chinese medicine, Monascus purpureus is used to promote blood circulation, soothe upset stomach, and invigorate the function of the spleen, a body organ that destroys old blood cells and filters foreign substances.